Alchemy Turtle (UNTESTED) (THAUMCRAFT) (FORBIDDEN MAGIC)

--Functions
function main()
    print("Welcome to Alchemy Turtle by kd8lvt!")
    print("Type the number of the recipe you want to preform, then press eneter!")
    print("1. Rubies (ProjectRed) -> Emeralds (Requires Forbidden Magic and that you have is researched!)")
    choice = tonumber(io.read())
    if choice == 1 then
        rubiesToEmeralds()
    end
end
function rubiesToEmeralds()
    print("How many times would you like me to do this recipe? (Must be at LEAST 4 times!)")
    i = tonumber(io.read())
    if i >= 4 then
        if turtle.getItemCount(1) > 0 then
            if turtle.getItemCount(2) > 0 then
                for i > 0 do
                    turtle.select(2)
                    turtle.drop(1)
                    sleep(0.5)
                    turtle.select(1)
                    turtle.drop(1)
                    turtle.suckDown()
                    fragmentCount = turtle.getItemCount(1)
                    if fragmentCount >= 10
                        turtle.craft()
                    else
                        print("Not enough Emerald Fragments to craft, doing another alchemy phase.")
                    end
            else
                print("I need at least ".. i .." rubies from Project Red in slot two (Slot to the right of slot one (top left))")
        else
            print("I need at least ".. i .." emerald fragments in slot one (Top left)")
        end
    end
    main()
end